TL;DRAbstract
Six novel platinum(II) intercalators of the form [Pt(AL)(IL)]Cl2, where AL = ethylenediamine (en), 1R,2R-diaminocyclohexane (R,R-dach), or 1S,2Sdiaminocyclohexane (S,S-dach) and IL = 4,7-dihydroxy-1,10-phenanthroline (4,7-dhp) or 4,7-dicarboxy-1,10-phenanthroline (4,7-dcp), were synthesised. All complexes were prepared by the addition of the intercalating ligand followed by the addition of the diamine ancillary ligand. The complexes with 4,7-dhp were soluble in DMSO and were characterised by H, C, and Pt NMR, elemental analysis, UV-vis, ESI-MS, and CD. The complexes with 4,7-dcp were only soluble in a highly acidic solution and, therefore, were characterised only by H NMR and elemental analysis. The cytotoxicity of the 4,7dhp complexes was tested in the L1210 murine leukaemia cell line. [Pt(S,S-dach)(4,7dhp)]Cl2 showed an IC50 value of > 80 μM. The antitumour and antibacterial activities of all six complexes were tested in vitro using the Kirby-Bauer disc diffusion method with Staphylo
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Six novel platinum(II) intercalators of the form [Pt(AL)(IL)]Cl2, where AL = ethylenediamine (en), 1R,2R-diaminocyclohexane (R,R-dach), or 1S,2Sdiaminocyclohexane (S,S-dach) and IL = 4,7-dihydroxy-1,10-phenanthroline (4,7-dhp) or 4,7-dicarboxy-1,10-phenanthroline (4,7-dcp), were synthesised. All complexes were prepared by the addition of the intercalating ligand followed by the addition of the diamine ancillary ligand. The complexes with 4,7-dhp were soluble in DMSO and were characterised by H, C, and Pt NMR, elemental analysis, UV-vis, ESI-MS, and CD. The complexes with 4,7-dcp were only soluble in a highly acidic solution and, therefore, were characterised only by H NMR and elemental analysis. The cytotoxicity of the 4,7dhp complexes was tested in the L1210 murine leukaemia cell line. [Pt(S,S-dach)(4,7dhp)]Cl2 showed an IC50 value of > 80 μM. The antitumour and antibacterial activities of all six complexes were tested in vitro using the Kirby-Bauer disc diffusion method with Staphylo
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